On Thu, Apr 28, 2016 at 1:44 PM, Josh Poimboeuf <jpoim...@redhat.com> wrote: > A preempted function might not have had a chance to save the frame > pointer to the stack yet, which can result in its caller getting skipped > on a stack trace. > > Add a flag to indicate when the task has been preempted so that stack > dump code can determine whether the stack trace is reliable.
I think I like this, but how do you handle the rather similar case in which a task goes to sleep because it's waiting on IO that happened in response to get_user, put_user, copy_from_user, etc? --Andy _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev